Release 4.11 arch/arm/mach-netx/include/mach/uncompress.h

/*
 * arch/arm/mach-netx/include/mach/uncompress.h
 *
 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * The following code assumes the serial port has already been
 * initialized by the bootloader.  We search for the first enabled
 * port in the most probable order.  If you didn't setup a port in
 * your bootloader then nothing will appear (which might be desired).
 *
 * This does not append a newline
 */


#define REG(x) (*(volatile unsigned long *)(x))


#define UART1_BASE 0x100a00

#define UART2_BASE 0x100a80


#define UART_DR 0x0


#define UART_CR 0x14

#define CR_UART_EN (1<<0)


#define UART_FR 0x18

#define FR_BUSY (1<<3)

#define FR_TXFF (1<<5)



static inline void putc(char c)
{
	unsigned long base;

	if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
		base = UART1_BASE;
	else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
		base = UART2_BASE;
	else
		return;

	while (REG(base + UART_FR) & FR_TXFF);
	REG(base + UART_DR) = c;
}

Contributors
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CommitProp
Sascha Hauer
67
98.53%
1
50.00%
Arnd Bergmann
1
1.47%
1
50.00%
Total
68
100.00%
2
100.00%



static inline void flush(void)
{
	unsigned long base;

	if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
		base = UART1_BASE;
	else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
		base = UART2_BASE;
	else
		return;

	while (REG(base + UART_FR) & FR_BUSY);
}

Contributors
Person
Tokens
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Commits
CommitProp
Sascha Hauer
58
100.00%
1
100.00%
Total
58
100.00%
1
100.00%

/*
 * nothing to do
 */

#define arch_decomp_setup()
Overall Contributors
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Tokens
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CommitProp
Sascha Hauer
170
98.84%
1
33.33%
Arnd Bergmann
1
0.58%
1
33.33%
Russell King
1
0.58%
1
33.33%
Total
172
100.00%
3
100.00%
Directory: arch/arm/mach-netx/include/mach

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